31030055424612 has 36 divisors (see below), whose sum is σ = 78437681949900. Its totient is φ = 10343273029632.

The previous prime is 31030055424611. The next prime is 31030055424617. The reversal of 31030055424612 is 21642455003013.

31030055424612 is a `hidden beast` number, since 3 + 1 + 0 + 30 + 0 + 5 + 5 + 4 + 2 + 4 + 612 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 26675221017636 + 4354834406976 = 5164806^2 + 2086824^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (31030055424611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1609764 + ... + 8040612.

Almost surely, 2^{31030055424612} is an apocalyptic number.

It is an amenable number.

31030055424612 is an abundant number, since it is smaller than the sum of its proper divisors (47407626525288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31030055424612 is a wasteful number, since it uses less digits than its factorization.

31030055424612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6564892 (or 6564887 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 31030055424612 in words is "thirty-one trillion, thirty billion, fifty-five million, four hundred twenty-four thousand, six hundred twelve".